Nissan Frontier D40. Manual - part 306

 

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Nissan Frontier D40. Manual - part 306

 

 

PRECAUTIONS

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< PRECAUTION >

[REAR FINAL DRIVE: M226 ]

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PRECAUTION

PRECAUTIONS

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT 
PRE-TENSIONER"

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The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.

WARNING:

• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in

the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.

• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal

injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.

• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this

Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.

PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS

WARNING:

• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-

tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.

• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the

battery, and wait at least 3 minutes before performing any service.

Precaution for Servicing Rear Final Drive

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• Before starting diagnosis of the vehicle, understand the symptoms well. Perform correct and systematic

operations. 

• Check for the correct installation status prior to removal or disassembly. When matching marks are required,

be certain they do not interfere with the function of the parts they are applied to. 

• Overhaul should be done in a clean work area, a dust proof area is recommended.
• Before disassembly, completely remove sand and mud from the exterior of the unit, preventing them from

entering into the unit during disassembly or assembly.

• Always use shop paper for cleaning the inside of components.
• Avoid using cotton gloves or a shop cloth to prevent the entering of lint.
• Check appearance of the disassembled parts for damage, deformation, and abnormal wear. Replace them

with new ones if necessary. 

• Gaskets, seals and O-rings should be replaced any time the unit is disassembled.
• Clean and flush the parts sufficiently and blow them dry.
• Be careful not to damage sliding surfaces and mating surfaces.
• When applying sealant, remove the old sealant from the mating surface; then remove any moisture, oil, and

foreign materials from the application and mating surfaces.

• In principle, tighten nuts or bolts gradually in several steps working diagonally from inside to outside. If a

tightening sequence is specified, observe it.

• During assembly, observe the specified tightening torque.
• Add new differential gear oil, petroleum jelly, or multi-purpose grease, as specified.

DLN-246

< PREPARATION >

[REAR FINAL DRIVE: M226 ]

PREPARATION

PREPARATION

PREPARATION

Special Service Tool

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The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Tool number
(Kent-Moore No.)
Tool name

Description

ST33290001
(J-34286)
Puller

Removing front oil seal

ST15310000
(

)

Drift

Installing front oil seal
a: 96mm (3.77 in) dia.
b: 84 mm (3.30 in) dia.

ST3127S000
(J-25765-A)
Preload gauge set
1.

GG91030000
(J-25765)
Torque wrench

2.

HT62940000 (1/2

)

(

)

Socket adapter

3.

HT62900000 (3/8

)

(

)

Socket adapter

Inspecting drive pinion bearing preload 
and total preload

(C-4164) 
Adjuster tool

Removing and installing side bearing ad-
juster

ZZA0601D

NT115

NT124

WDIA0192E

PREPARATION

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< PREPARATION >

[REAR FINAL DRIVE: M226 ]

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Commercial Service Tool

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KV10111100
(J-37228)
Seal cutter

Removing carrier cover

ST23550000
(

)

Removing and installing lock pin
a: 4.5 mm (0.177 in) dia.

Tool number
(Kent-Moore No.)
Tool name

Description

S-NT046

NT410

Tool name

Description

Puller

Removing companion flange and side 
bearing inner race

Puller

Removing side bearing inner race

Power tool

Loosening bolts and nuts

NT077

ZZB0823D

PBIC0190E

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< FUNCTION DIAGNOSIS >

[REAR FINAL DRIVE: M226 ]

DESCRIPTION

FUNCTION DIAGNOSIS

DESCRIPTION

Cross-Sectional View

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1.

Companion flange

2.

Drive pinion

3.

Drive gear

4.

Differential case

5.

Pinion mate gear

6.

Axle shaft

7.

Side gear

8.

Pinion mate shaft

SDIA2636E

 

 

 

 

 

 

 

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